When you let go, the overlapping parts will spring tight open against the inside of your flue, securely holding the chimney cap in the flue. Any homeowner can install a chimney cap, but avoiding the following problems can ensure a smoother process. Caution: Metal edges can be sharp, make sure to wear protective gloves when handling the liner and liner components. A chimney cap will keep rain water from coming down your home’s chimney. Though some chimney caps can be secured with screws alone, some are secured with construction adhesives and sealants. This can lead to extremely costly repairs down the road. If you’re interested in installing a chimney cap, turn to The Chimney Sweep. Make sure 6 inches of mesh are exposed between the top of the chimney and the top of the cap on chimneys with non-extended … They never cover the crown, only the flue. The smallest gap or hole on the chase co… Install the cap over the chimney. The ideal time to install a chimney mount for an antenna is when the sun is out, it’s calm, and it hasn’t rained or snowed in a while, so the roof isn’t slippery. Here are a few tips on how to install a new chimney cap. The chimney cap is one of the most vital parts of a chimney. When the cap is on the chimney as a dry fit, look around and see where you can install the cap screws. The flue is flush with the mortar chimney top, so there is nothing to clamp a standard chimney rain cap onto. A chimney cap is used to prevent rain, animals, and wind from entering the home and causing unwanted problems. Securing the chimney-mounted antenna and minimizing the stress on the chimney requires the mounting straps to be properly spaced. Choose the right chimney cap. Moisture Levels are Reduced When a chimney cap is […] Make sure to use chimney cap sealant that is resistant to heat, as metal flues heat up and can easily melt adhesive. While you may not be intimately familiar with the anatomy of your home’s fireplace or chimney features, a chimney cap plays an important role in your home’s chimney system. Many fireplaces, especially in older homes, have an open style chimney cap that was made from leftover cement and mortar from the original chimney construction. With a concrete cap you have to wait a week for the concrete to cure before stripping the wood form used to pour the concrete in. Most companies include chimney cap installation as part of their available chimney repairs. Step 3 - Fasten Chimney Caps on Metal Flue. How to install a chimney liner. The chimney cap may be too damaged to repair. Beyond the damage from the water itself, moisture from rain water can produce mold and mildew. A chimney cap is an essential accessory that keeps the chimney clean and keeps animals and debris out. Instead of tackling the noise from the inside of your home, how about doing it from the outside? If your chimney is like mine, I could only install three screws because the other cap from the fireplace was in the way. You must use a pair of pliers in order to straighten the dents. Even though you already measured your chimney opening and bought the correct cap, it is a good idea to dry fit the cap and make sure it truly will fit and will work. There are two kinds of chimney caps. If it is very tall you may need to make special arrangements ot have a height extender installed. A lot of our customers ask us to install their standard chimney cap. These are all great suggestions. Any homeowner can install a chimney cap. A wide variety of materials and styles make it easy to get one that looks great with your roof. So, at a minimum you should install a stainless steel chimney cap that won't rust. Silicone sealer can be used for inside mount chimney caps with tile flues. There are several reasons to have a chimney cap installed before the onset of wintry weather. One important thing to remember when it comes to installing a chimney cap on your own is to remember to wear protective gloves! If you have an oval flue and want a chimney cap that mounts to the flue instead of to the crown of your chimney, consider a 5/8″ mesh chimney cap. This most commonly results from the caps blowing off. Any cracking and peeling of your chimney flashing will eventually cause a leak that can penetrate your roof. For example, there are available in aluminum, steel, stainless steel and even copper. Since the price of copper has increased over the years, copper is the most expensive metal for a chimney cap, but it has a decorative quality that's hard to beat. Bend the tabs over and slide the collar down to the flashing. It is quicker and easier to install a metal cap. If the chimney has a crown or projecting cap, place the top strap directly under it. They are made with cheap and light materials like aluminum, and they have to be adjusted in the field by the installer to fit your specific chimney. Find out how a chimney cap protects your chimney and roof, and why experts recommend chimney cap installation. Saw as high as the height of the cap flashing. Rain water can damage chimneys with stainless steel liners, chimney dampers and chimney mortar joints. Getting drips of water in the fireplace and chimney when it rains or snows may be a common problem for homeowners with a missing or damaged chimney cap, but it can lead to potentially dangerous home and roof issues. Without a chimney cap, all you have at the top of the flue is an open hole.If you want to prevent rodents, leaves or precipitation from falling inside, you'll need to install a cap. Chimney Cap Inspection by PJ Fitzpatrick. The chimney cap should not contact the flue liner. How a Chimney Cap Installation Protects Your Home and Roof. In addition, chimney cap replacements involve climbing onto the roof. Contact us for an estimate today. place the chimney cap where you want it to be on your chimney crown (the concrete area surrounding the flue or flues) and bend the flange around the bottom of the chimney cap so that it conforms to the chimney crown. When the cap is on the chimney as a dry fit, look around and see where you can install the cap screws. Bend the cap flashing around the front of the chimney. Installing a Stainless Steel Chimney Chase Cover: A chimney chase cover is a cap that seals off the top of a wood framed or brick laid chimney chase. Installing a cap will drastically reduce wind noise, simply because there will be less space for the wind to pass through. Chimney chase covers are typically made from low grade steel, which will rust over a short period of time. I have a large masonry chimney that doesn't have a rain cap. 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